JSON_UNESCAPED_UNICODE and JSON_PRETTY_PRINT options to json encoding content added
fix type in changes.txt
Remove old json_encode call
Unescaped unicode data in bulk actions
Get rid of pretty printing in json encode
Issue #559: add JSON_UNESCAPED_UNICODE and JSON_UNESCAPED_SLASHES options in Elastica/Transport/Http, Elastica/Bulk/Action
define json constants instead of checking php version
Merge pull request #560 from rauanmaemirov/master

Send data with unescaped unicode and slashes